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Bay Saint Louis, MS planting calendar

When to plant vegetables in Bay Saint Louis, MS (USDA hardiness zone 9a). Typical last spring frost around Feb 21, 2026 20 days year to year), first fall frost around Dec 3, 202620 days).

Playing it safe? Spring frost holds off until about Mar 18, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

Want exact dates for your address, a drag-and-drop bed layout, and reminders when it’s time to sow? Enter your ZIP:

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Still time to plant

As of today, these crops can still reach harvest before Bay Saint Louis, MS’s first frost (~Dec 3, 2026) — fastest first.

Month by month in Bay Saint Louis, MS

January

February

March

April

September

November

December

Understand your frost dates

More Mississippi planting calendars

ZIP codes in Bay Saint Louis

39520

Frost dates are NOAA 1991–2020 climate normals for a representative location in Bay Saint Louis, MS (covering 1 ZIP); your exact dates depend on your address. Schedules are guidance, not guarantees.